8 electrical safety, 1 general information, 2 protection against restart – FRITSCH PULVERISETTE 6 classic line User Manual
Page 17: 3 overload protection, 4 imbalance detection, Safety information and use
CAUTION!
Risk of burning!
The grinding bowls can be very hot after grinding.
Wear protective gloves!
2.8 Electrical safety
2.8.1 General information
n
The main switch (10) separates the device from the mains on two
poles.
n
Switch off the main switch (10) if the planetary mono mill is down
for a longer period of time (e.g. overnight).
2.8.2 Protection against restart
In case of power failure during operation or after switching off with the
main switch (10), the hood (3) is locked. The hood lock (7) is opened
when the power returns. For safety reasons, however, the mill does not
restart.
2.8.3 Overload protection
n
In the event of an overload, the device reduces the speed in a con-
trolled manner. The REDUCED SPEED light is lit as a warning.
n
The device switches off if the drive motor becomes too hot.
n
The device switches off if the drive is blocked. (See Ä Chapter 10
2.8.4 Imbalance detection
The device switches off if there is excessive imbalance. (See
Chapter 10 ‘Repairs’ on page 53)
Safety information and use
- 17 -